Breadcrumb Home > Thesaurus > I Synonyms of iguanodon Find synonyms for: Noun 1. iguanodon, dinosaur usage: massive herbivorous bipedal dinosaur with a long heavy tail; common in Europe and northern Africa; early Cretaceous period WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of iguanodon (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: insitu Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language